Dita Yan Chor-Sin (Chinese: 甄楚倩) is a Cantopop singer, actress, and former member of the idol group Onyanko Club from Hong Kong.

Yan first got her start in show business when she signed a contract with a Hong Kong television channel Asia Television Limited. That same year, she went to Japan and became a research student for the Japanese idol group Onyanko Club for a month in 1987. She returned home soon after to Hong Kong and released her first album, entitled "Hansam Jyuzi". Her second album, "Jan Cosin Mou Bun Di Mou", became Yolinda's first hit. She gave birth to a boy in 2001.